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读下图，回答下题。

当图中A点时间为1989年12月12日12时，北京时间为      （   ）

A．12日14时

B．13日2时

C．12日2时

D．13日14时

答案

答案：B

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Research on animal intelligence always makes me wonder just how smart humans are. (91) the fruitfly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly (92) to live shorter lives. This suggests that (93) bulbs burn longer, that there is an (94) in not being too terrifically bright.
Intelligence, it (95) , is a high-priced option. It takes more upkeep, burns more fuel and is slow (96) the starting line because it depends on learning—a gradual (97) —instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (98) .
Is there an adaptive value to (99) intelligence That’s the question behind this new research. I like it. Instead of casting a wistful glance (100) at all the species we’ve left in the dust I.Q. wise, it implicitly asks what the real (101) of our own intelligence might be. This is (102) the mind of every animal I’ve ever met.
Research on animal intelligence also makes me wonder what experiments animals would (103) on humans if they had the chance. Every cat with an owner, (104) , is running a small-scale study in operant conditioning, we believe that (105) animals ran the labs, they would test us to (106) the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really (107) , not merely how much of it there is. (108) , they would hope to study a (109) question. Are humans actually aware of the world they live in (110) the results are inconclusive.

A．if

B．unless

C．as

D．lest
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单项选择题

中央电视台曾推出《走基层百姓心声》特别调查节目“你幸福吗？”，引发当代中国人对幸福的深入思考。幸福感是人们对生活满意程度的一种心理体验，它以一定的物质财富为基础，但在现实生活中，幸福感的提升与物质财富的增加并不一定同步。这说明（）

①社会存在决定社会意识

②社会意识具有相对独立性

③社会生活在本质上是实践的

④社会意识的变化独立于社会存在的变化

A.①②

B.②③

C.①④

D.③④
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